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documentation.txt
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O==============O
| Guillaume G. |
| MOM1 rev2 |
O==============O
--- DESCRIPTION ---
ENG: Mother Of Motherboards 1
FR : Mère des carte-mères 1
This standard contains a basic definition of a motherboard without reference to a processor standard as well as a definition list of compatible processor standards.
For definitions containing a processor or/and others standard, a link to its documentation will be provided.
Please take a look at the models which include all sizes/positions to be respected.
--- MOM1 basic ---
This is the basic definition of the MOM1 standard (without a processor).
The size of the board x:203.0mm y:116.0mm must be respected (please see the Kicad basic model).
You can implement a total of 4 peripheral connectors following the PP1* standard.
Each of the peripheral connectors have their positions fixed on the board.
You can decide not to implement one of the 4 or more connectors but you must respect the positions.
A fifth or more connectors on the board is outside the definition of this standard and it is up to you to anticipate/correct any problems this may cause.
There is no other constraint to be respected apart from the 4 3mm fixing holes.
*https://github.com/JonathSpirit/GComputer_standard/tree/master/PP1
--- MOM1 SPS1 ---
This is the definition of the MOM1 standard with an SPS1 processor.
For electrical and pins data please see the SPS1* documentation :
*https://github.com/JonathSpirit/GComputer_standard/tree/master/SPS1
Mechanical reference :
Eurocard 5536475-1
https://www.te.com/usa-en/product-5536475-1.html
Pins placement :
(Processor connector) (Motherboard receptacle)
O-------------O O-------------O
| C1 B1 A1 |---> --->| A1 B1 C1 |
| C2 B2 A2 | | A2 B2 C2 |
| C3 B3 A3 |---> --->| A3 B3 C3 |
| C4 B4 A4 | | A4 B4 C4 |
| C5 B5 A5 |---> --->| A5 B5 C5 |
| C6 B6 A6 | | A6 B6 C6 |
| C7 B7 A7 |---> --->| A7 B7 C7 |
| C8 B8 A8 | | A8 B8 C8 |
| C9 B9 A9 |---> --->| A9 B9 C9 |
| C10 B10 A10 | | A10 B10 C10 |
| C11 B11 A11 |---> --->| A11 B11 C11 |
| C12 B12 A12 | | A12 B12 C12 |
| C13 B13 A13 |---> --->| A13 B13 C13 |
| C14 B14 A14 | | A14 B14 C14 |
| C15 B15 A15 |---> --->| A15 B15 C15 |
| C16 B16 A16 | | A16 B16 C16 |
| C17 B17 A17 |---> --->| A17 B17 C17 |
| C18 B18 A18 | | A18 B18 C18 |
| C19 B19 A19 |---> --->| A19 B19 C19 |
| C20 B20 A20 | | A20 B20 C20 |
| C21 B21 A21 |---> --->| A21 B21 C21 |
| C22 B22 A22 | | A22 B22 C22 |
| C23 B23 A23 |---> --->| A23 B23 C23 |
| C24 B24 A24 | | A24 B24 C24 |
| C25 B25 A25 |---> --->| A25 B25 C25 |
| C26 B26 A26 | | A26 B26 C26 |
| C27 B27 A27 |---> --->| A27 B27 C27 |
| C28 B28 A28 | | A28 B28 C28 |
| C29 B29 A29 |---> --->| A29 B29 C29 |
| C30 B30 A30 | | A30 B30 C30 |
| C31 B31 A31 |---> --->| A31 B31 C31 |
| C32 B32 A32 | | A32 B32 C32 |
O-------------O O-------------O